4-GSKT-77-E

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-01-208-8968

Item Name Code

04521

Assigment Date

05/21/1985 (41 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

1.219 inches nominal cross-sectional height, 0.531 inches nominal inner groove width, 4.078 inches nominal center hole diameter, special cross-sectional shape style, 0.062 inches nominal outside corner radius

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style: special
Outside Corner Radius: 0.062 inches nominal
Cross-Sectional Height: 1.219 inches nominal
Inner Groove Width: 0.531 inches nominal
Center Hole Diameter: 4.078 inches nominal
Peripheral Diameter: 5.266 inches nominal
Hardness Rating: 60.0 shore durometer a minimum and 70.0 shore durometer a maximum overall
Inside Corner Radius: 0.125 inches nominal
Material: rubber synthetic overall

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
4-GSKT-77-E	Preformed Packing
M10387-3-D-09	Preformed Packing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5330-01-208-8968?

The FSCG of the NSN 5330-01-208-8968 is 5330

Does the NSN 5330-01-208-8968 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-01-208-8968 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5330-01-208-8968 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-01-208-8968 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5330-01-208-8968 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Tue, May 21, 1985